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2 cards from this section. Quick, good the night before a test.
What does RSC assess in irrigation water?
Think about the elements contributing to sodium buildup.
What is the formula for calculating RSC?
Remember the components that go into the calculation.
What is the maximum RSC value considered safe for irrigation?
Recall the safety thresholds.
True or False: An RSC greater than 2.5 meq/L can be safely used for growing crops without any treatment.
Think about the impacts of high sodium on soil.
If a water source has 5.0 meq/L of CO3^2-, 2.0 meq/L of HCO3-, and 3.0 meq/L of Ca^2+, what is the RSC, and how would it affect irrigation decisions?
Calculate carefully and consider the implications for crop health.
What management practices could be implemented for an area frequently facing RSC values above 2.5 meq/L?
Think about ways to maintain crop health and soil structure.
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